System of Measurement System of Measurement |
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For Use On For Use On |
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Length Class Length Class |
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| Jobbers' Length |
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| Extended Length |
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| Reduced Shank Length |
Material Material |
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Shank Type Shank Type |
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| Round | Reduced Round |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Flute Direction Flute Direction |
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| Right Hand |
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| Left Hand |
Bit Style Bit Style |
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 | Spiral Flute |
Individual/Set Individual/Set |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Specifications Met Specifications Met |
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Reamer Diameter Reamer Diameter |
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Shank Diameter Shank Diameter |
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Flute Style Flute Style |
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 | Straight |
Drill Bit Decimal Size Equivalents
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About Drill Bits
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About Reamers
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Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated and oxide-coated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 37/64" | 0.5781" | 6 5/8" | 3.94" | Round | 37/64" | Standard | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||
| 37/64" | 0.5781" | 6 5/8" | 3.94" | Round | 37/64" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
Uncoated High-Speed Steel | |||||||||
| 37/64" | 0.5781" | 6 5/8" | 3.94" | Round | 37/64" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
Cobalt Steel Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Inch | ||||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | ||||||||||
| 27/64" | 0.4219" | 5 3/8" | 3.94" | Round | 27/64" | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 000000 |
Extended-Length Carbide-Tipped Drill Bits
Access hard-to-reach spots and drill deep holes. More wear resistant than cobalt steel and high-speed steel, these carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 5/8" | 0.625" | 8 3/4" | 3.94" | Round | 5/8" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
Short-Flute Extended-Length Carbide-Tipped Drill Bits
The short flutes provide increased rigidity for drilling straighter holes and the long length lets you access hard-to-reach spots. More wear resistant than cobalt steel and high-speed steel, these carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | 6" Overall Lg. | |||||||
|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Type | Size | Point Style | For Use On | Max. Drilling Dp. | Each | |
Inch | ||||||||
Uncoated Carbide-Tipped Steel | ||||||||
| 27/64" | 0.4219" | Round | 27/64" | Split | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 3.94" | 0000000 | 000000 |
3/8" Diameter Reduced-Shank Drill Bits
The shank has a smaller diameter than the tip, allowing you to drill large holes with machines that have small-capacity chucks. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 27/64" | 0.4219" | 5 3/8" | 3.94" | Reduced Round | 3/8" | Split | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Drill Bits for Plastic
The sharp point allows for gradual penetration to reduce friction and eliminate cracking and chipping when drilling in plastic. These bits are jobbers' length and have the rigidity and length required for most applications.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||
|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Inch | ||||||||
Uncoated High-Speed Steel | ||||||||
| 27/64" | 0.4219" | 5 3/8" | 3.94" | Round | 27/64" | Standard | 00000000 | 000000 |
High-Speed Steel Left-Hand Drill Bits
Also known as reverse-flute bits, the flutes spiral in the opposite direction of other bits. Use in counterclockwise drilling applications such as removing broken screws. These bits are jobbers' length and have the rigidity and length required for most applications.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-and-Gold-Oxide High-Speed Steel | |||||||||
| 7/16" | 0.4375" | 5 1/2" | 3.94" | Round | 7/16" | Split | Steel, Iron, Stainless Steel | 00000000 | 000000 |
Round-Shank Drill Reamers
Drill and finish holes in a single pass with these dual-purpose tools. The tapered tip gradually pierces your material to reduce friction, and the straight flutes make clean cuts without chipping or peeling the edge of the hole. Made from solid carbide, these drill reamers are strong and heat resistant. The flutes stay sharp even when cutting abrasive materials such as carbon fiber, fiberglass, and graphite. Use them in drill presses or other machines—carbide is brittle, and will break if used to drill by hand.
Dia. | Lg. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reamer Size | Reamer | Shank | Max. Drilling Dp. | Flute | Overall | Number of Flutes | Flute Style | Cutting Dia. Tolerance | For Use On | Each | |
Carbide | |||||||||||
Inch | |||||||||||
| 1/2" | 0.5000" | 1/2" | 3.94" | 3 15/16" | 6" | 4 | Straight | 0" to 0.0005" | Carbon Fiber, Fiberglass, Graphite | 0000000 | 0000000 |